package com.zipeng.gulimall.order.interceptor;

import com.zipeng.common.constant.AuthServerConstant;
import com.zipeng.common.vo.MemberRespVo;
import org.springframework.stereotype.Component;
import org.springframework.util.AntPathMatcher;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 收到订单微服务请求时，必须先进行登录操作
 */
@Component
public class LoginUserInterceptor implements HandlerInterceptor {

    public static ThreadLocal<MemberRespVo> loginUser = new ThreadLocal<>();

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String uri = request.getRequestURI();
        AntPathMatcher antPathMatcher = new AntPathMatcher();

        // 从session中获取用户登录信息
        MemberRespVo attribute = (MemberRespVo) request.getSession().getAttribute(AuthServerConstant.LOGIN_USER);
        if(attribute!=null){
            // 保存到 ThreadLocal
            loginUser.set(attribute);
            return true;
        }

        // 放行不需要登录的接口
        boolean match = antPathMatcher.match("/order/**", uri);
        boolean match1 = antPathMatcher.match("/payed/notify", uri);
        if(match || match1){
            return true;
        }
        //没登录就去登录
        request.getSession().setAttribute("msg","请先进行登录");
        response.sendRedirect("http://auth.gulimall.com/login.html");
        return false;
    }
}
